Twenty20 Batting and Fielding in Each Season by Craig Williams
| Season | | Matches | Inns | Not Out | Runs | HS | Ave | 100 | 50 | Ct | St |
| 2009-10 | (Zimbabwe) | 6 | 6 | 0 | 132 | 50 | 22.00 | 0 | 1 | 2 | |
| 2010-11 | (Namibia) | 1 | 1 | 0 | 6 | 6 | 6.00 | 0 | 0 | 0 | |
| 2011-12 | (Namibia) | 16 | 16 | 1 | 461 | 125 | 30.73 | 2 | 1 | 4 | |
| 2011-12 | (South Africa) | 2 | 2 | 0 | 78 | 65 | 39.00 | 0 | 1 | 0 | |
| 2011-12 | (United Arab Emirates) | 9 | 9 | 1 | 176 | 41 | 22.00 | 0 | 0 | 2 | |
| 2012-13 | (Namibia) | 4 | 4 | 0 | 44 | 21 | 11.00 | 0 | 0 | 1 | |
| 2013 | (Namibia) | 4 | 4 | 1 | 79 | 42 | 26.33 | 0 | 0 | 2 | |
| 2013-14 | (United Arab Emirates) | 9 | 9 | 2 | 228 | 57 | 32.57 | 0 | 1 | 3 | |
| 2015 | (Namibia) | 1 | 1 | 0 | 1 | 1 | 1.00 | 0 | 0 | 0 | |
| 2015 | (Ireland) | 8 | 5 | 1 | 85 | 43 | 21.25 | 0 | 0 | 6 | |
| 2015-16 | (Namibia) | 1 | 1 | 0 | 2 | 2 | 2.00 | 0 | 0 | 3 | |
| 2015-16 | (South Africa) | 3 | 3 | 1 | 111 | 73* | 55.50 | 0 | 1 | 1 | |
| 2016-17 | (United Arab Emirates) | 3 | 3 | 0 | 20 | 10 | 6.66 | 0 | 0 | 1 | |
| 2016-17 | (South Africa) | 3 | 3 | 0 | 23 | 13 | 7.66 | 0 | 0 | 1 | |
| 2017-18 | (South Africa) | 4 | 4 | 1 | 126 | 39 | 42.00 | 0 | 0 | 0 | |
| 2019 | (Namibia) | 4 | 3 | 2 | 85 | 68* | 85.00 | 0 | 1 | 0 | |
| 2019-20 | (United Arab Emirates) | 9 | 9 | 1 | 164 | 45 | 20.50 | 0 | 0 | 2 | |
| 2019-20 | (South Africa) | 5 | 5 | 2 | 174 | 63* | 58.00 | 0 | 2 | 0 | |
| 2020-21 | (Namibia) | 3 | 3 | 0 | 95 | 81 | 31.66 | 0 | 1 | 0 | |
| 2021-22 | (Namibia) | 3 | 2 | 0 | 39 | 31 | 19.50 | 0 | 0 | 0 | |
| 2021-22 | (United Arab Emirates) | 11 | 11 | 0 | 283 | 57 | 25.72 | 0 | 3 | 0 | |
| 2022 | (Zimbabwe) | 5 | 5 | 1 | 139 | 62* | 34.75 | 0 | 1 | 1 | |